Equilibrium Question 651

Question: 3.2 moles of hydrogen iodide were heated in a sealed bulb at 444oC till the equilibrium state was reached. Its degree of dissociation at this temperature was found to be 22%. The number of moles of hydrogen iodide present at equilibrium are [BHU 1982]

Options:

A) 2.496

B) 1.87

C) 2

D) 4

Show Answer

Answer:

Correct Answer: A

Solution:

22100×3.2=0.704

at equil. moles of HI =3.2-0.704 = 2.496



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